GB/T 29465  法兰 RF 2550-1.6/20

5 RF 2550-1.620

WN 300(B)-16 FM S=8

bl20(a)-2500rj6 H

2 RF 1500-4.020δ1=12ژFf4s

B WN 36"-300 RF B=Sch80f sch30

3 RF 800-2.5-60ch4f

WN 65(B)-25 M S=6p6 RF.0F-100/10604Frum18RFs-1.0h10ampam/6

BⅠ1200-SaR(B)-300 rf smRF)-160-0.

47023G1600-1S=6t2